cross



f1 i l a arten Vtutes stmt ffxre.

Leam Patent No. 79,054, dated Jam 2e, 1868.

IMPROVEMENT IN RAILWAYS.

dit: .Sttshulz munt tn in these Eaters tant uur writing part Vat the samt.

'ro ALL WHoM 'Ir MAX ooNcERN:

' Be it known that I, JOHN G. CROSS, of Brattleboro, in the county yof Windham,.and State of Vermont, have invented. a new and useful Improvement in Railway-Structure; and I do hereby declare that the'i'ollowingl is a full, clear, and exact description thereof, which will enable those skilled in the art tomake and use the same,lreerence being had tothe accompanying drawings, forming part of this specication.

Figure 1 is a top view of 9. portion of a railway-track illustrating my improvement.

Figure 2 is a top view of a portion of a railroad-track showing a modification of' my improvement.

Figure 3 is a detail cross-sectionlof the same, taken through the line w z, fig. 2.

Figui-e4 is a detail cross-section of the same, taken through the line y y, fig. 1.

Figure 5 is aside view of the outer side of a portion of the same.

Figure '6 is a side view of the inner sidel of a portion of the same.

Figure '7 is a view of one of the bolts.

Similar letters of reference indicate corresponding parts.

My improvement has for its object to improve the construction of railroad-rails and chairs, soy as to enable the rails to be made stronger and lighter, and so as to make the surface ofthe track continuous; and it consists in the construction ofthe rails and chairs, and in the combination ofthe various parts with each other,I as here-` inafter more fully described. l

l A are the rails, the e-nds of which are halved vertically, as'shown in figs. 1 and 4, so as to overlap and lit upon each other. Theheads a', of the rails A, are made round in their general form, with Hat top surfaces for the wheels to'roll upon. The centrall part, az, of the rails A, is made thin where it joins .the head al, and becomes gradually thicker as it descends to where more strength is required. The lower part ofthe rails is branched or arched, asshown in tigs. 3 and 4, so as to give e. broad, firm base to said rails. v

' vB are the chairs, which rest upon two ties laid side b'y side, and a short distance apart, as shown in figs. 1 and 5.- The chairs are made with lips, b1, upon their inner sides, which fit over the inner edges of, the bases of two contiguous rails. The'outer lips, b2, of the chairs B, are extendedup to the top of the rails A, so as to form a sub-rail, C, for the car-wheels to roll upon when passing from one rail to another, so that the hearings Y `for the wheels may be continuous. The inner side'of the sub-rail C should be so formed as to lit the outer sides ofthe rails, ,the ends of which it overlaps If desired, the sub-milf,` may be made separate from the lip 52 of the chairs B, as shown in figs. 2, 3, and 'il In 'this case a lug, b3, is formed upon th'e lip 62, which enters an opening or notch in the lower edge of the sub-rail C, to hold it securely'in place and prevent longitudinal movement. e

D are the bolts, bywhich the sub-rails are secured to the rails A. The bolts 'D pass through slotsin the ends of the rails A, and through holes in the sub-rails C, so as to allow the mainv rails 'to'expand and contract with changes of temperature, and to guard against the slip of tho rails caused by the draw ofthe drive-wheels, which, in double-track roads, where the travel upon each track is always in one direction, is very great when the rails are secured inl the ordinaryy manner. The heads ofthe bolts D are made oblong, as shown in g. 7, to pre vent them from turning when in place, and also to cover the slots or oblong holes in the rails A. The boltsV l) nre secured in place by the wedge-keys E, as shown in figs. 4 and 5.

Having thus described my invention, I claim asnew, and desire to secure by Letters Patentam 1. The rails A, `ormed with rounded heads and branched or arched bases, and having their endsl halved vertically to overlap and tit u pon erich other, substantial/ly as herein shown and described, 'and for the purpose` set forth.

2. The combination of the two-tie chair B, having a sub-rail, C, formed -upon or attached to it, with the overlapped ends of the contiguous rails A, substantially as herein shown and described, and for the purpose set forth. v Y

3. The sub-rail 0, made solidwithand nponthe chair B, substantially as herein shown and described, and for the purpose set forth.l l I 4. The d etaobble sub-rail C, secured to the chair Biby means of the'lng las, formed upon the enter ii'p`b2 of said chair, and entering a notch or opening in the loner edge of saidsub-ra-l, substantially as herein shown and described. 4

5.A The ends of the main rail A, having its ends secured to the sub-rail C and to the chair B by the 'bolts vD and wedge-keys'E, substantially inthe manner herein shown and described, sind for the purpose set forth.

The above'specication of my invention signed by me, this 9th day of December, 1867.

' JOHN G. CROSS.

Witnesses: A JOHN T. BRYANT, 4WM. B. BRYANT. 

